function [vHF] = VHG(yh,yf,v3,L1,M)
%红方运输机对蓝方无人机的排斥
yhf=yh-yf;
if(abs(yhf)>=L1)
    vHF=sign(yhf)*(-v3/M*(abs(yhf)-M));
else
    vHF=sign(yhf)*(v3/L1*abs(yhf));
end

